genericize approval controller

openid-connect-server-webapp/src/main/webapp/WEB-INF/views/approve.jsp

@@ -37,7 +37,7 @@
 		</h1>
 
 		<form name="confirmationForm"
-			action="${ config.issuer }${ config.issuer.endsWith('/') ? '' : '/' }authorize" method="post">
+			action="${ config.issuer }${ config.issuer.endsWith('/') ? '' : '/' }${ form_target } " method="post">
 
 			<div class="row">
 				<div class="span5 offset1 well-small" style="text-align: left">

openid-connect-server/src/main/java/org/mitre/oauth2/web/OAuthConfirmationController.java

@@ -221,6 +221,8 @@ public class OAuthConfirmationController {
 			model.put("gras", false);
 		}
 
+		model.put("form_target", "approve");
+
 		return "approve";
 	}